CVE-2026-84202ModelScope through 1.40.0 Unsafe YAML Deserialization in Model Config Loading
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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ModelScope uses PyYAML's unsafe yaml.Loader to parse model configuration files, allowing arbitrary code execution through Python object construction tags. Attackers can craft malicious model repositories with poisoned configuration files that execute code when loaded by users.
- CVSS
- 8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-502
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Deferred
- Record last updated
- Sep 1, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
modelscope modelscope modelscope:modelscope (from the name) | through 1.40.0 | CNA record |
References
- https://github.com/modelscope/modelscopeproduct
- https://github.com/modelscope/modelscope/issues/1660issue-tracking
- https://github.com/modelscope/modelscope/blob/v1.40.0/modelscope/models/audio/tts/voice.pytechnical-description
- https://github.com/modelscope/modelscope/blob/v1.40.0/modelscope/models/multi_modal/mplug/configuration_mplug.pytechnical-description
- https://www.vulncheck.com/advisories/modelscope-through-1.40.0-unsafe-yaml-deserialization-in-model-config-loadingthird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.